Datums for 9414863, Richmond CA

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9414863, Richmond, CA
Status: Accepted (Nov 2 2020)
Units: Feet
Control Station: 9414290 San Francisco, CA
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
MHHW6.04Mean Higher-High Water
MHW5.43Mean High Water
MTL3.28Mean Tide Level
MSL3.25Mean Sea Level
DTL3.02Mean Diurnal Tide Level
MLW1.12Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.02North American Vertical Datum of 1988
STND-11.59Station Datum
GT6.04Great Diurnal Range
MN4.31Mean Range of Tide
DHQ0.61Mean Diurnal High Water Inequality
DLQ1.12Mean Diurnal Low Water Inequality
HWI7.95Greenwich High Water Interval (in hours)
LWI1.48Greenwich Low Water Interval (in hours)
Max Tide8.63Highest Observed Tide
Max Tide Date & Time02/06/1998 15:54Highest Observed Tide Date & Time
Min Tide-2.53Lowest Observed Tide
Min Tide Date & Time01/11/2009 01:48Lowest Observed Tide Date & Time
HAT7.44Highest Astronomical Tide
HAT Date & Time07/24/2040 06:48HAT Date and Time
LAT-1.89Lowest Astronomical Tide
LAT Date & Time06/04/2004 14:48LAT Date and Time
Tidal Datum Analysis Periods
10/01/1995 - 09/30/2005
08/01/2007 - 07/31/2012
10/01/2012 - 09/30/2019

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